Title:
POLYETHYLENE PLUG FOR PIPELINE PORT CLOSING
Document Type and Number:
Japanese Patent JP2015083824
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a polyethylene plug for pipeline port closing that prevents oil leakage of a pipeline port in a hydraulic motor and performs coating masking.SOLUTION: In a polyethylene plug 10 for pipeline port closing, an annular projection part is formed to a flange part 35c engaged into the end surface of a pipeline port 34 of a casing 21 and is mounted to the pipeline port 34. The polyethylene plug 10 for pipeline port closing is provided with an R-shaped annular projection having a cross section, whose height H (a vertical direction in a Figure 1) is about 0.2 mm and width W (a horizontal direction in the Figure 1) is about 1.5 mm, on the end surface of the flange part 35c.
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Inventors:
IKENO SHINICHI
HAYASHI SHINGO
HAYASHI SHINGO
Application Number:
JP2013240005A
Publication Date:
April 30, 2015
Filing Date:
November 20, 2013
Export Citation:
Assignee:
NACHI FUJIKOSHI CORP
International Classes:
F03C1/253; B05B15/04; F04B53/00; F16J13/12
Attorney, Agent or Firm:
Akiko Okajima